2025 was so hot it pushed Earth past critical climate change mark
2025 was the third hottest year on record and pushed Earth past a critical climate change mark, scientists say.
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2025 was the third hottest year on record and pushed Earth past a critical climate change mark, scientists say.
Gov. Josh Shapiro signed a $50 billion spending package to end a four-month budget stalemate that has held up billions for public schools and social services.
Leaf-peeping season has arrived in the Northeast and beyond, but weeks of drought have dulled this year's autumn colors and sent leaves fluttering to the ground earlier than usual.
Crucial for marine life and the global economy, coral reefs are the planet's first major environmental system to cross a climate "tipping point" as the world warms.
Hospitals across the U.S. are at risk of significant flooding, and climate experts warn that the Trump administration's cuts leave the nation less prepared.
34 million people live in one of these major U.S. cities that's sinking, new research shows. See if your area is on the list — and how quickly the land is moving.
Out of the many consequences of a warming climate, one major concern is the increasing frequency of high intensity rain events.
As climate change worsens pollen seasons, these U.S. cities top the list for 2025, according to a new report from the Asthma and Allergy Foundation of America.
Environmental Protection Agency to review a key 2009 finding by the agency that greenhouse gases pose a risk to Americans.
Some 880 employees of the National Oceanic and Atmospheric Administration were laid off on Thursday, a congressional source told CBS News.
Nonprofit groups are working to distribute essential supplies to those impacted by the fires across the Los Angeles area.
Researchers say human-caused climate change dealt people an average of nearly six weeks of extra extreme heat in 2024, while also fueling more destructive storms.
World coal use is set to reach an all-time high in 2024, the International Energy Agency says, in a year all but certain to be the hottest in recorded history.
Scientists now have a clearer picture of Camp Century, an abandoned U.S. military base long hidden under the ice in Greenland, thanks to a NASA research team's good luck.
Oil and natural gas companies will have to pay a federal fee if they emit methane above certain levels under a rule being finalized by the Biden administration that incoming Trump officials are likely to reverse.
We've seen some warmer Halloweens in the last couple of years, so is this something we can expect to continue moving forward?
Why is there a disconnect between constituent views on climate change and the actions of their representatives?
Why is there a disconnect between constituent views on climate change and the actions of their representatives? KDKA political editor Jon Delano explores the reported feelings and actions in Pennsylvania's 14th and 16th congressional districts.
Scientists from the International Thwaites Glacier Collaboration warn of a "grim outlook" for the Thwaites Glacier, also known as the "Doomsday Glacier."
Heavy rains caused severe flooding in Central Europe, affecting countries including Austria, the Czech Republic, Poland and Romania.
The legacy toy company is increasing the certified renewable or recycled materials that go into its bricks in an effort to reduce its reliance on fossil fuels.
While five states have laws in place protecting workers from excessive heat, for decades there have been no federal protections.
Earth sizzled to its hottest day ever measured by humans Monday, beating a record set the day before, the European climate service Copernicus says.
Six people protesting climate change stormed the 18th green at the Travelers Championship on Sunday, delaying the finish for about five minutes.
This Wednesday on World Environment Day, the Ecolution Fashion Gala will be held for the 9th year. It celebrates fashion, as well as sustainability, art, music and dance all within one show-stopping event. Daisy was at the Carnegie Museum Music Hall with the new curator for the event.
Mike Tomlin stepped down as head coach of the Steelers after 19 seasons with the team.
During his four years at Pitt, Aaron Donald became one of the most accomplished defensive linemen in college football history.
The announcement of the Tribune-Review's new publication comes in the wake of the Post-Gazette's decision to close in May.
Brandin Cummings scored 23 points for Pitt in a 89-66 win over Georgia Tech, snapping a three-game losing streak.
Five congressional Democrats say they have received inquiries from the DOJ after they appeared in a video urging members of the military not to follow "illegal orders" — a move the lawmakers allege is political intimidation.
Mike Tomlin stepped down as head coach of the Steelers after 19 seasons with the team.
During his four years at Pitt, Aaron Donald became one of the most accomplished defensive linemen in college football history.
The announcement of the Tribune-Review's new publication comes in the wake of the Post-Gazette's decision to close in May.
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Five congressional Democrats say they have received inquiries from the DOJ after they appeared in a video urging members of the military not to follow "illegal orders" — a move the lawmakers allege is political intimidation.
The U.S. Supreme Court on Tuesday took on two cases challenging states that bar transgender athletes from participating on sports teams that align with their gender identities. One of them involves a student from West Virginia. Lauren Linder reports.
The Supreme Court heard two cases involving laws from Idaho and West Virginia that ban transgender athletes from participating in girls' and women's sports.
The Supreme Court hears arguments today on whether laws in Idaho and West Virginia banning transgender athletes from competing on girls' and women's sports teams violate the Constitution and Title IX.
The subpoenas threatened a criminal indictment related to Jerome Powell's testimony before the Senate Banking Committee in June 2025, according to the Fed chair.
Scams targeting utility customers are on the rise in Pennsylvania, the attorney general says.
A handful of Pittsburgh-area Value City Furniture stores are going out of business after their parent company filed for bankruptcy.
It has been five years since the home improvement retailer Menards bought a large parcel of land off Route 30 in Westmoreland County.
If you get a ticket in the city of Pittsburgh, there could be a higher chance that instead of getting it on your car windshield, you're getting it in the mail.
Western Pennsylvania is grappling with a December that has been significantly colder than in years past.
Talk Pittsburgh’s Dr. Natalie Gentile stops by PTL to let us know, once and for all, if going outside with wet hair will make you sick.
Treat yourself to some relaxing self-care from the very top of your head! That's exactly what Daisy Jade is doing! Izzazu now has three locations: Downtown, Warrendale, and South Hills!
Tim Neff and Shea Sweeny are highlighting a special event at Soldiers and Sailors Memorial Hall and Museum that will pull at your heartstrings, just in time for Valentine’s Day!
Team PTL's Boaz Frankel knows that the weather is about to take a turn for the colder, and he's embraced that by learning how to carve some ice with Ice Creations of Pittsburgh!
It’s Pursuit of Happiness Week, and Heather and David are learning how to get creative with Workshop PGH!
A Westmoreland County taxidermist is under investigation by the Pennsylvania State Police.
Stray voltage from a nearby streetlight shocked Montana Mitchell and her dog, leaving the dog immobile.
Twin boys have been seen selling lemonade for long hours several times a week on street corners throughout Pittsburgh and the suburbs.
A woman says she and her dog were shocked while running in Pittsburgh's Strip District.
Here's a look at the reasons behind the drop in violent crime and the hope that the trend continues into the new year.
The yearly tradition marks the start of months of training for Pittsburgh Marathon participants.
Firefighters have a 62% higher risk of cancer, and this week, the New Castle Central Fire Station hosted pre-screenings.
Once the holidays are over, we often find ourselves in a funk, so how can we find ways to boost our mood?
A major expansion in women's health care is taking shape in Washington County.
Flu cases keep increasing, but at least one Pittsburgh-area emergency room doctor says not everyone needs to visit him.
Mike Tomlin stepped down as head coach of the Steelers after 19 seasons with the team.
Western Pennsylvania has historically been a hotbed for producing talent that succeeds in the NFL.
During his four years at Pitt, Aaron Donald became one of the most accomplished defensive linemen in college football history.
Brandin Cummings scored 23 points for Pitt in a 89-66 win over Georgia Tech, snapping a three-game losing streak.
Here are storylines to watch for the Pittsburgh Steelers after head coach Mike Tomlin stepped down.
Pittsburgh Mayor Corey O'Connor on Tuesday announced a new initiative aimed at revitalizing neighborhood business districts across the city.
A handful of Pittsburgh-area Value City Furniture stores are going out of business after their parent company filed for bankruptcy.
It has been five years since the home improvement retailer Menards bought a large parcel of land off Route 30 in Westmoreland County.
The Macy's location at the Pittsburgh Mills Mall will be among the several closures.
With the Steelers hosting their first playoff game with fans in the building since 2018, a lot of revenue is expected to be made in the city.
Scott Adams, the cartoonist who created the "Dilbert" comic strip, has died at the age of 68, his first ex-wife revealed on Tuesday.
"The Pitt" won big at the Golden Globes on Sunday night.
The 2026 Golden Globes honored the standouts in both film and television from last year. See the full list of winners and nominees.
Here is everything you need to know about how to watch and stream the 2026 Golden Globes.
Bob Weir wrote or co-wrote and sang lead vocals on Grateful Dead classics including "Sugar Magnolia," "One More Saturday Night" and "Mexicali Blues."
KDKA-TV's Bob Pompeani and 93.7 The Fan's Chris Mueller discuss the sports topics of the day.
Four cats were killed in a house fire in Turtle Creek on Wednesday night.
A man was found dead in a home in Beaver County on Wednesday.
Stay on top of local weather with First Alert Meteorologist Ray Petelin's forecast!
A man is dead after he was hit by a vehicle in Lower Burrell on Wednesday morning, police said.
Mike Tomlin stepped down as head coach of the Pittsburgh Steelers after 19 seasons with the team.
Pitt's regular season has ended with an 8-4 record.
Pitt's five-game winning streak came to an end with a 37-15 loss to Notre Dame.
Mason Heintschel set a new Pitt freshman single-game passing record in the Pitt win at Acrisure Stadium.
The 44th annual KDKA-TV Turkey Fund will help our neighbors in need have a nice meal for Thanksgiving.
